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3 years ago

Evaluate 68 x 71 mentally.

Mathematics

2 answers:

valkas [14]3 years ago

7 0

Answer:

4828

Step-by-step explanation:

68x71=4828

mezya [45]3 years ago

6 0

Answer:

4828 = 68 x 71

Step-by-step explanation:

how I looking at it all I did was multiply

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4 years ago

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TiliK225 [7]

Answer:

The correct answer is 64 times Geri’s original answer

Step-by-step explanation:

Given

Gari's Answer: 2³

Correct Answer: 2⁹

Required:

Relationship between both answers

Let Gari's answer be represented by G and the Correct answer be represented by C; Such that

G = 2³

C = 2⁹

Divide C by G

$\frac{C}{G} = \frac{2^9}{2^3}$

From law of indices, $\frac{a^m}{a^n} = a^{m-n}$

Applying this law, we have

$\frac{C}{G} = 2^{9-3}$

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$G * \frac{C}{G} = 64 * G$

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